3n+21=-3-2n

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Solution for 3n+21=-3-2n equation:


Simplifying
3n + 21 = -3 + -2n

Reorder the terms:
21 + 3n = -3 + -2n

Solving
21 + 3n = -3 + -2n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '2n' to each side of the equation.
21 + 3n + 2n = -3 + -2n + 2n

Combine like terms: 3n + 2n = 5n
21 + 5n = -3 + -2n + 2n

Combine like terms: -2n + 2n = 0
21 + 5n = -3 + 0
21 + 5n = -3

Add '-21' to each side of the equation.
21 + -21 + 5n = -3 + -21

Combine like terms: 21 + -21 = 0
0 + 5n = -3 + -21
5n = -3 + -21

Combine like terms: -3 + -21 = -24
5n = -24

Divide each side by '5'.
n = -4.8

Simplifying
n = -4.8

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